package com.hezhiqin.two;

import java.util.concurrent.CountDownLatch;

/**
 * @program: homeWork
 * @description:
 * @author: hezhiqin
 * @create: 2020-03-13 21:14
 */
public class Test {

    static CountDownLatch countDownLatch=new CountDownLatch(1);

    public static void main(String[] args) {
        for(int i=0;i<30;i++){
            new People(countDownLatch,i).start();
        }
        countDownLatch.countDown();
    }
}
